Re: OT: Malhi, Eshleman, haplogroup A, language, time, and direction.....

From: Lee Olsen (paleocity_at_hotmail.com)
Date: 03/25/05 

Date: 24 Mar 2005 19:44:52 -0800

G Horvat wrote:
> Lee,
> While I'm getting up to speed on the two articles you mentioned, have
> you read the following?
>
> American Indian mtDNA and Y Chromosome Genetic Data: A Comprehensive
> Report of their Use in Migration and Other Anthropological Studies by
> Peter N. Jones (July 31, 2004)
>
>
http://www.iiirm.org/publications/Articles%20Reports%20Papers/Genetics%20and%20Biotechnology/Jones%20DNA.pdf
>
> It seems like a fairly comprehensive summary.

Thanks, I'll get after it.

>
> Gisele
>
> On 23 Mar 2005 21:34:20 -0800, "Lee Olsen" <paleocity@hotmail.com>
> wrote:
>
> >G Horvat wrote:
> >> On 23 Mar 2005 17:14:34 -0800, "Lee Olsen" <paleocity@hotmail.com>
> >> wrote:
> >>
> >> >G Horvat wrote:
> >> >> Lee,
> >> >> Another way of putting it is that haplogroup A is found in its
> >> >> highest frequencies where other New World haplogroups are
absent.
> >Both of
> >> >> these articles, which I don't think I've read yet, relate to
> >> >> northwestern and western North America. Haplogroup A is also
> >found
> >> >>in fairly healthy frequencies such as 30% in South American
> >populations
> >> >
> >> >Would these be considered 'coastal' people or 'inland' people? I
> >don't
> >> >mean exactly, but more or less in a broad sense.
> >>
> >> I thought that was what you were getting at but was not sure.
> >
> >Actually that is the conclusion of the authors, at least in the
> >Northwest down to California.
> >
> >>
> >> It would be easier to describe the populations which lack this
> >> haplogroup than the ones which have it. It is absent in the
ancient
> >> Fuegian samples
> >
> >
> >Sounds like the A group fizzled somewhere on its journey down the
> >coast.
> >
> >> and is found in lower than average frequencies in
> >> Chile and Argentina and in the American SW where the frequency was
> >> determined to be 0% for many populations.
> >
> >The paper (Malhi) cites Lorenz and Smith, and Stone and Stoneking
> >saying Haida "colonized the Americas at the same time as
populations
> >in the Amerindian group,
> >but isolation and genetic drift caused the pattern of reduced
diversity
> >within them."
> >
> >> Other than that, I think
> >> the haplogroup is fairly ubiquitous in the New World which is why
its
> >> source should be fairly important but, hey, you do know that the
> >> author of one of those articles is a sci.anthropology.paleo
> >> contributor.
> >>
> >> I consider haplogroup B to be more coastal in both the Old World
and
> >> New but I am certainly no expert on differentiating between the
two.
> >> The Asian B *sub-group* which is closest to Native American B is
> >found
> >> in Japan, Taiwan, etc. all the way down to Indonesia (about the
> >> furthest point south that I'm aware of) and in China, where much
> >mtDNA
> >> information is presently available, the provinces which had the
> >> highest frequencies were all adjacent to the Yangztee River with
the
> >> exception of Guangdong (Canton in English, I'm told).
> >
> >Well, the group the authors are using to demonstrate a "prehistoric
> >intrusion" on the NW coast is haplogroup A.
> >
> >>
> >> Gisele